// Update is called once per frame
 void OnTriggerEnter(Collider player)
 {
     if (player.tag == "Player1")
     {
         player1Margins.setMarginYBottom(gameObject.GetComponent <Transform>().position.y + 1);
         player1Margins.setMarginYTop(GetComponent <Transform>().position.y + GetComponent <BoxCollider>().size.y + 1);
     }
 }